Dilraj Singh

• Username: 3★dilraj007
• Country:  India
• Student/Professional:Student
• Institution:PEC University of Technology, Chandigarh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

1633 (+30)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2021 Division 3 (Rated)(2021-10-11 15:00:00)

Global Rank:   81

Cheated in:   

Ratings System Update

(2021-10-11 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1633 (-6)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   81

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (19)

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Lighthouses

October Challenge 2015

Count Subarrays, Rupsa and Equilateral Triangle, Who dares to be a millionaire, Time measure

December Challenge 2015

Chef and the stones

January Long Challenge 2016

Churu and Balls, Chef and Time Machine, Devu and Perfume

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Help Watson Escape, Chef And Coloring, Chef and Ballons, Chef And Magical Path

May Challenge 2016

Chef and Big Soccer

August Challenge 2016

Chef and Chocolate, Chef and Round Run

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

September Challenge 2021 Division 3 (Rated)

XOR Equal, Travel Pass, Airline Restrictions, Shuffling Parities

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

Total Problems Solved: 63